<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
        <style>
            .box {
                width: 0;
                height: 0;
                border-style: solid;
                border-color: yellow green turquoise lightcoral;
                border-width: 200px 600px;
            }
            .box2 {
                width: 0;
                height: 0;
                border-top: 100px solid lawngreen;
            }
        </style>
</head>
<body>
    <div class="box"></div>
    <div class="box2"></div>
</body>
</html>